Window construction.



H. E. CAMPBELL,

WINDOW CONSTRUCTION.

APPLICATION HLED APR. 6. 1917- Patented Aug. 21, 1917.

HARRY E. CAMPBELL,

on NEW YORK, N. Y.

wmnow cons'rnucrro'n.

Specification of Letters Patent. 7 Patented Aug. 21, 1917.

Application filed April 6, 1917. Serial No. 160,264.

T 0 all whom it may concern:

Be it known that I, HARRY E. CAMPBELL, a citizen of the United States,residing at New York, in the county of New York and State of New York,have invented a certain new and useful Improvement in \NindowvConstructions, of which the following is a specification. v

The invention relates to window construction, and more particularly tothe combina tion of the sill and jambs of a metal windowframe with thewall wherein the window opening is made. i Y

In U. S. Letters Patent No. 1,222,357, granted to me April 10, 1917, Ihave disclosed a metal window-frame comprising a sill, two tubular jambsor side members thereon, and a lintel carried by said jambs said partsbeing suitably connected. The jambs are formed of united metal plates.The outer jamb plates in the structure of said patent are bent overlaterally and outwardly, and the sill is laterally-extended to carrysaid plates. These outer jamb plates abut against the edge of the windowopening in the wall, so that the front and rear faces are overlapped bythe laterall bent over portions of said jamb plates. y my presentconstruction I do away with said laterally bent over portions, thussaving the metal of the jamb, and of the sill below, and I place thejamb in a recess formed in the vertical side of the window opening. Thesill closes the bottom of said recess, and upon said sill the hollowjamb is seated. Integral with the sill is a stool, upon which is seatedthe portion of the wall which is immediately in rear of said recess.

In the accompanying drawings Figure 1 is a horizontal section of thewall of one of the two hollow jambs and the sill on the line 01:, m ofFig. 2. Fig. 2 is a vertical section of the same on the line y, 3 ofFig. 1. I

Similar letters and numbers of reference indicate like parts.

One of the hollow metaljambs is shown at A. The sill, generallyindicated at B, may be considered as formed of two parts, namely: thefront portion 1which extends from the front edge at a to a line I) justin rear of the jamb A-and the stool 2 which extends rearwardly from theline b to the rear edge 0. The said parts 1, 2 are made integral in asingle casting. In the front part 1 is the usual recess 4, the bottomportion of which is downwardly and outwardly inclined. The jamb A isseated upon said part 1, and at its lower end is received in positioninglugs 5.

The building wall on one side of the window opening is shown at (J. Insaid wall I make a vertical recess, in which is seated the jamb A, sothat the bottom end of said recess is closed by the sill.; By. reason ofthe seating of the jamb in the wall recess, a front portion of the wallC overlaps the front side of the jamb, as shown at 6, and a rear portionof said wall overlaps the rear side of the jamb, as shown at 7. The end8'of the front portion of the sill abuts against the front portion 6.The rear' portion 7 rests upon thestool 2 of sill B, and is builtthereon after said sill is in place upon the masonry below the windowopening. By this construction I secure joints between the jamb A andwall C which are impermeable to drafts-or moisture, and especially widejoints between the portion 7 of the wall and the stool 2. Said stool 2extends beyond the inner face of the masonry, and has a down wardlyextending bracket flange 9 which bears against said face below thewindow opening. The groove 10 in the sill receives any drainage from thejamb, and delivers.

the same to the front recess 4.

' I claim:

1. In combination with a Wall having a window opening, said openinghaving a recess in its vertical side, a sill closing the bottom of saidrecess, and a hollow metal jamb received in said recess and seated onsaid sill.

2. A structure as specified in-claim 1, in combination with a stoolintegral with said sill, the portion of said wall immediately in rear ofsaid recess being seated upon said stool.

In testimony whereof I have affixed my signature in presence of twowitnesses.

HARRY E. CAMPBELL. Witnesses:

GERTRUDE T. Poem, MAY T. MCGARRY.

